x=2÷3+root7 then [x-3))]^2=?
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Answer:
Step-by-step explanation:
x = 2/3+√7
Rationalize the denominator
x = 6- 2√7/2 = 3-√7
(x-3)² = x² + 3² - 6 x
(3-√7)² + 9 - 6 ( 3-√7)
9 + 7 - 6√7 - 18 + 6√7
= -2
Regards................
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